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Quick Details

  • Material: EPDM/NR/NBR
  • Technics: Forged
  • Type: Union
  • Place of Origin: Henan, China (Mainland)
  • Model Number: JGD
  • Brand Name: GYLDT
  • Connection: Flange
  • Shape: Equal
  • Head Code: Hexagon
  • supplyrange: DN15 TO DN80

Packaging & Delivery

Packaging Details individual paking
Delivery Time 1-10 days after receive order

DN40 Two Sphere Union Rubber Expansion Joints

1Outer/inner rubberNR,NBR,EPDM
2FrameNylon cord fabric
3Pressurized ringSteel wire
4Threaded UnionZinc plated cast iron, SUS304



DN40 Two Sphere Union Rubber Expansion Joints Specifications


Supply Range:

DN15mm to DN80mm

Maximum Design Pressure:

2.5 Mpa

Vacuum KPa(mmHg):


Operating Temperature:


Applicable Fluid:

 Sea water, slurry, industrial sewage.














DN40 Two Sphere Union Rubber Expansion Joints data sheet:


SIZELENGTHMAXVACUUMMovement Capability(mm)Prox.
(mm)(mm)(bar)(mm Hg)(mm)(mm)(mm)(degree)(degree)(kg)



Certificate Obtained




Pruduct Packing &Shipping



Packaging & Shipping


Size under DN200mm will be packed with Carton.


Size above DN250mm will be packed with Plywood case.


Every case will be customized to suit each delivery.


Contact GYLDT if there is special requirements of package.



Type of rubber expansion joint


1single sphere rubber expansion joint


2twin sphere rubber expansion joint


3heavy duty rubber expansion joint


4spool arch rubber expansion joint


5reducer rubber expansion joint


6twin sphere union rubber expansion joint

you can see pictures as follows

Twin Sphere Union Rubber Expansion Joint

It is widely used in water supply and drainage, recycled water, air conditioning and heating, fire control, ship, water pump, and compressor, Etc. They are low cost vibration and deflection absorption in fluid conveyance pipes. The bellow consists of two symmetrical connecting end, either threaded unions for small nominal bores or flanged ends for large nominal bore pipelines. They are ideal for compensating thermal expansion and contraction in piping system as an unbeatable cost effective alternative to expansion loops which require large amounts of materials and space.


Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Manufacturer, Trading Company
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $35,000
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